#!/usr/bin/node

const Writable=require('stream').Writable;



  


function  GreenStream (){

  Writable.call(this);



  this._write=(chunk,encoding,callback)=>{ 
     process.stdout.write('\033[1;32m' + chunk + '\033[1;37m');

  callback();
}
}

 GreenStream.prototype=Writable.prototype;

process.stdin.pipe(new GreenStream());
